3165970
Plain Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2.69 $3.20

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3165970 Plain Washer is a component designed for use in heavy-duty truck systems. It serves a specific function within the mechanical assemblies of these vehicles, contributing to the overall efficiency and reliability of truck operations. Understanding its purpose and significance is fundamental for maintaining and optimizing heavy-duty truck performance.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically flat, annular devices placed under fasteners like bolts and nuts. Their primary function is to distribute the load of the fastener over a larger area, preventing damage to the surface and providing a uniform pressure distribution. Additionally, plain washers can act as spacers, provide electrical insulation, and help in aligning components during assembly 1.

Purpose of the Cummins 3165970 Plain Washer

The Cummins 3165970 Plain Washer is specifically engineered to play a role in fastening systems within heavy-duty trucks. It aids in the distribution of loads applied by fasteners, ensuring that the stress is evenly spread across the contact surface. This helps in preventing surface damage and contributes to the stability and integrity of the assembled components. Its application is crucial in environments where components are subjected to significant stress and vibration 2.

Key Features

The Cummins 3165970 Plain Washer is characterized by several key features that make it suitable for heavy-duty applications. It is constructed from materials that offer high durability and resistance to wear and corrosion. The dimensions and design of the washer are tailored to meet the specific requirements of heavy-duty truck systems, ensuring it can withstand the rigors of such an environment 3.

Benefits of Using Cummins 3165970 Plain Washer

Utilizing the Cummins 3165970 Plain Washer offers several advantages. Its durable material composition ensures longevity, even under high stress conditions. The washer’s resistance to wear and corrosion contributes to consistent performance over time. Furthermore, its design ensures reliable load distribution, which is vital for the integrity of fastening systems in heavy-duty trucks.

Installation Guidelines

Proper installation of the Cummins 3165970 Plain Washer is key to ensuring optimal performance and longevity. It should be placed correctly under the fastener, ensuring it is aligned with the components it is meant to support. Care should be taken to avoid over-tightening, which can lead to washer deformation and compromised performance.

Troubleshooting and Maintenance

Common issues with plain washers include deformation, corrosion, and wear. Regular inspection for these conditions can help in identifying problems early. Maintenance practices such as cleaning and proper storage can prolong the life of the Cummins 3165970 Plain Washer. In cases where a washer shows signs of damage or wear, replacement is recommended to maintain system integrity.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industry. The company’s product range includes engines, filtration systems, and other components designed to meet the demanding requirements of heavy-duty applications.

Cummins Engine Part 3165970: Plain Washer Compatibility

The Cummins part 3165970, a Plain Washer, is a critical component in the assembly of various engine systems. This washer is designed to provide a smooth, even surface for mounting and securing parts, ensuring proper alignment and preventing damage from friction. Below is a detailed look at how this part fits within the specified engines:

K19, K38, K50 Engines

The K19, K38, and K50 engines are part of Cummins’ K Series line, known for their robust design and reliability in heavy-duty applications. The Plain Washer 3165970 is used in these engines to maintain the integrity of connections between various components, ensuring that bolts and screws maintain their grip without causing undue stress on the mating surfaces.

N14 MECHANICAL Engine

The N14 MECHANICAL engine, a staple in the Cummins lineup, benefits from the Plain Washer 3165970 in several critical areas. This washer is essential in maintaining the alignment and stability of components such as fuel injectors, turbos, and other ancillary parts. Its role in preventing wear and tear is crucial for the longevity and performance of the engine.

NH/NT 855 Engines

The NH/NT 855 engines, known for their versatility and efficiency, also incorporate the Plain Washer 3165970 in their design. This washer is particularly important in the assembly of the engine’s cooling system, fuel system, and other critical areas where precise alignment and secure fastening are necessary.

QSK19 CM850 MCRS, QSK38 CM850 MCRS Engines

The QSK19 CM850 MCRS and QSK38 CM850 MCRS engines, part of Cummins’ QSK Series, are designed for high-performance applications. The Plain Washer 3165970 is used extensively in these engines to ensure that components such as the turbocharger, exhaust system, and fuel injectors are securely fastened and properly aligned. This helps maintain the high standards of performance and reliability expected from these engines.

QSNT14 CM876 N102 Engine

The QSNT14 CM876 N102 engine, another member of the Cummins QSK Series, utilizes the Plain Washer 3165970 in various applications. This washer is crucial in maintaining the structural integrity of the engine’s components, ensuring that parts such as the cylinder head, intake manifold, and exhaust system are securely fastened and properly aligned. This contributes to the overall efficiency and durability of the engine.

Role of Part 3165970 Plain Washer in Engine Systems

In the intricate network of an engine system, the part 3165970 Plain Washer assumes a significant role in ensuring the seamless operation of various components. This unassuming component is integral to the functionality and durability of several key elements within the engine.

Accessories

The plain washer is often utilized in the mounting and securing of engine accessories. These accessories, which may include alternators, water pumps, and power steering pumps, rely on stable and vibration-resistant mounting. The plain washer distributes the load evenly across the mounting points, preventing undue stress on the accessory and the engine block. This ensures that accessories operate efficiently without premature wear or failure.

Exhaust Outlet

At the exhaust outlet, where the engine’s exhaust gases are expelled, the plain washer plays a role in maintaining a secure connection between the exhaust manifold and the outlet pipe. By providing a uniform surface and absorbing vibrational forces, the washer helps to prevent leaks and ensures a tight seal. This is essential for maintaining the efficiency of the exhaust system and reducing emissions.

Connection Points

Throughout the engine, various components are connected using bolts and nuts. The plain washer is employed at these connection points to enhance the stability and integrity of the joints. Whether it is connecting the cylinder head to the engine block or securing the intake manifold, the washer ensures that the connection remains firm under the dynamic conditions of engine operation.

Exhaust Accessory Mounting

Exhaust accessories, such as catalytic converters and oxygen sensors, require robust mounting to withstand the high temperatures and vibrations of the exhaust system. The plain washer is used in these mountings to provide a consistent surface and distribute the clamping force evenly. This prevents damage to the accessory and ensures accurate readings and efficient operation.

Muffler

The muffler is a critical component in reducing engine noise and managing exhaust flow. The plain washer is used in the mounting brackets that secure the muffler to the vehicle’s frame. By ensuring a stable and vibration-resistant mount, the washer contributes to the longevity and performance of the muffler, maintaining the desired noise reduction and exhaust efficiency.

Conclusion

The Cummins 3165970 Plain Washer is a critical component in the maintenance and optimization of heavy-duty truck performance. Its role in load distribution, resistance to wear and corrosion, and contribution to the stability and integrity of engine components make it an indispensable part of heavy-duty truck systems. Proper installation, regular maintenance, and timely replacement are essential practices to ensure the longevity and efficiency of this Cummins part.


  1. Arthur J Caines, Roger F Haycock and John E Hillier, Automotive Lubricants Reference Book, SAE International, 2004.

  2. Konrad Reif, Diesel Engine Management Systems and Components, Springer, 2014.

  3. Thorsten Boger, Willard Cutler, Reducing Particulate Emissions in Gasoline Engines, SAE International, 2018.

* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.